Toyota Prius III (2009-2011) integration relay Wiring diagrams

BATT BKUP BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) GAUGE FUSE INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) LEFT "C" PILLAR) LEFT REAR COMBINATION LIGHT ASSEMBLY BACKUP UP LIGHT P/I 2 FUSE ROOM R/B (LEFT SIDE OF ENGINE COMPT) POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT REAR COMBINATION LIGHT ASSEMBLY BACKUP UP LIGHT WHT WIRE WHT/BLK WIRE

1 21 14 20 11 12 37 IG+ 2 8 5 REAR TX+ GND IG+ WINDOW DEFOGGER SWITCH A/C AMPLIFIER ASSEMBLY (BEHIND CENTER OF DASH) A/C CONTROL ASSEMBLY A/C FUSE BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DEF ECU-B 3 FUSE END OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GND RDEF CANH CANL HOT AT ALL TIMES HOT W/ IG 1 RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) LEFT OUTER REAR VIEW MIRROR ASSEMBLY MHTR MIRROR HEATER NOISE FILTER (REAR WINDOW DEFOGGER) (UNDER LOWER LEFT SIDE OF REAR WINDOW) P/I 2 FUSE MIR HTR FUSE RDEF REAR WINDOW DEFOGGER (BACK DOOR GLASS) REAR WINDOW DEFOGGER (BACK WINDOW FIX GLASS) RED WIRE RIGHT OUTER REAR VIEW MIRROR ASSEMBLY VIO WIRE WHT/BLK WIRE YEL WIRE

+ECU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG 3 2 1 LHIG LH T LH E 3 2 1 PNK SHB SHRR SHG WIRE 3 2 1 RHIG RH T RH E 7 8 PNK SIL LVL WIRE BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY DLC 3 (UNDER LEFT SIDE OF DASH) ECU- IG 1 FUSE ENGINE ROOM J/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GND 2 GRN WIRE HB (+) HDLP HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT HEADLIGHT LEVELING ECU ASSEMBLY HGND PARKING ASSIST ECU HL 4 HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG 1 INIT WNG INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LEVELING LIGHT CONTROL SWITCH AUTO LT BLU WIRE LT GRN WIRE MAIN BODY ECU MOTOR P/I 2 FUSE PNK PNK WIRE PNK W/ INTELLIGENT PARKING ASSIST WIRE PNK W/O INTELLIGENT PARKING ASSIST PNK WIRE PNK WIRE PRST SPDR RHT LHT SHRL RED WIRE RH LH RH+ LH+ SBR RIGHT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY (REAR OF VEHICLE) RIGHT HEADLIGHT ASSEMBLY SGR TAIL OFF VIO WIRE W/O INTELLIGENT PARKING ASSIST WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 TRLY FFGO 21 5 LLEW RLEW 25 12 2 4 11 DRL PKB FLCY FRCY 6 19 21 20 22 5 8 30 28 29 27 13 14 LRCY BCTY CLTS CLTB CLTE HU HF TAIL ALTB IG AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTS CLTE CLTB COMPUTER DATA LINES SYSTEM DC/DC FUSE DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FLASH LOW HIGH FOG LIGHT LIGHT CONTROL SWITCH SWITCH FR FOG FUSE FR FOG RELAY GAUGE FUSE GRN WIRE HEAD FFOG CANL CANH HEAD TAIL OFF AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HLPL HLPR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) PNK WIRE RED WIRE TAIL FUSE TAIL RELAY TAIL HEAD OFF AUTO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 TRLY FFGO 2 4 FLCY FRCY 21 5 LLEW RLEW 6 19 21 20 22 5 8 30 28 29 27 13 14 LRCY BCTY CLTS CLTB CLTE HU HF TAIL ALTB IG AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTS CLTE COMPUTER DATA LINES SYSTEM DC/DC FUSE DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY GAUGE FUSE GRN WIRE HEAD FFOG CANL CANH HEAD OFF HEADLIGHT DIMMER SWITCH ASSEMBLY HLPL HLPR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) PNK WIRE RED WIRE TAIL TAIL FUSE TAIL RELAY TAIL HEAD OFF AUTO AUTO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B HIGH PITCHED HORN (BEHIND RIGHT SIDE OF FRONT GRILLE) HNSW HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START GAUGE FUSE HRNH HRNL INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY J/B 3 (BEHIND LEFT SIDE OF DASH) LOW PITCHED HORN (BEHIND LEFT SIDE OF FRONT GRILLE) LT BLU WIRE P/I 2 (LEFT SIDE FUSE OF ENGINE COMPT) RED WIRE SPIRAL CABLE ASSEMBLY (ON STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 1 2 3 4 5 PKB IG SPD AGND ALO ARI ASGN ALI AGND AUXI ARO ASGN AUXO BLK WIRE BLU WIRE BRN WIRE EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B AMP FUSE (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR ACC HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY IVO- IVO+ SLD J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- MICRO COMPUTER MICROPHONE MICROPHONE AMPLIFIER MODE NAV NAVIGATION RECEIVER ASSEMBLY NCA WIRE ORG/ WIRE PARKING ASSISTANT CIRCUIT GVIF PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) PNK REV WIRE PNK WIRE RAD 1 FUSE RED WIRE SEEK SPIRAL CABLE SUB-ASSEMBLY IG STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR TXM- TXM+ TXO- TXI- VIO WIRE VOICE VOLUME- W/ SLIDING ROOF WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 +B BACK SONAR OR CLEARANCE SONAR BATT NAV PNK WIRE BLK WIRE BLU WIRE BRN WIRE CANL CANH CB+ CGND COMPUTER DATA LINES SYSTEM CV+ CV- CV+ CGND CB+ ECU-ACC FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GVIF HEADLIGHTS SYSTEM HGND HOT AT ALL TIMES HOT AT ALL TIMES ENGINE P/I 2 ROOM R/B FUSE (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR ACC HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B GAUGE FUSE (BEHIND LEFT END OF DASH) INTEGRATION RELAY ISSW J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LEFT ULTRASONIC SENSOR 1 (LEFT FRONT OF ENGINE COMPT) LIN 3 LT BLU WIRE LT GRN WIRE NAVIGATION RECEIVER ASSEMBLY NCA WIRE ORG/ WIRE PARKING ASSIST ECU (BEHIND RIGHT SIDE OF DASH) PNK PNK HB+ WIRE PNK TX+ TX- WIRE PNK WIRE RAD 1 FUSE REAR TELEVISION CAMERA (LEFT SIDE OF LIFTGATE) RED WIRE REV RIGHT FRONT HEIGHT CONTROL SENSOR RIGHT ULTRASONIC SENSOR 1 (RIGHT FRONT OF ENGINE COMPT) SHB SHG SHRR SUB-ASSEMBLY (REAR OF VEHICLE) SWITCH ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

A/C FUSE ABS ABS MTR 1 MTR 2 FUSE FUSE AIR CONDITIONING, ENGINE CONTROLS SYSTEMS ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, HEADLIGHTS SYSTEMS ANTI-LOCK BRAKES, MIRRORS, INTERIOR LIGHTS SYSTEMS BATT FAN FUSE BATT FAN RELAY BATTERY BLK WIRE BLU WIRE COOLING FANS SYSTEM DC/DC FUSE DOME FUSE ECU- IG 1 FUSE ECU-B FUSE ECU-IG 2 FUSE EFI MAIN FUSE EFI MAIN RELAY ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS, TRANSMISSIONS SYSTEMS ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EPS FUSE ETCS FUSE FROM TURN, HAZ FUSE IN ENGINE ROOM R/B (DIAGRAM 1 OF 3) FUSE FUSIBLE MAIN LINK FUSE BLOCK (RIGHT REAR OF VEHICLE) GAUGE FUSE GRY WIRE HEADLIGHTS INSTRUMENT SYSTEM CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY INTEGRATION RELAY DCDC J/C LEFT FRONT MAIN BODY ECU NAVIGATION, SOUND SYSTEMS NCA WIRE ORG/ WIRE P/I 1 FUSE P/I 2 FUSE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT OF ENGINE SIDE OF DASH) COMPT) POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RAD 1 FUSE RED WIRE RELAY RELAY (DIAGRAM 2 OF 3) SHORT PIN TO DC/DC FUSE IN ENGINE ROOM J/B (DIAGRAM 1 OF 3) TO HTR FUSE IN ENGINE ROOM R/B (DIAGRAM 2 OF 3) TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 3) TURN, HAZ FUSE VIO WIRE WARNING SYSTEMS WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 1 2 3 4 5 PKB IG SPD AGND ALO ARI ASGN ALI AGND AUXI ARO ASGN AUXO BLK WIRE BLU WIRE BRN WIRE EAU ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B AMP FUSE (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR ACC HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B IGN (BEHIND LEFT FUSE END OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY IVO- IVO+ SLD J/B 3 (BEHIND LEFT SIDE OF DASH) J/B 4 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- MICRO COMPUTER MICROPHONE MICROPHONE AMPLIFIER MODE NAV NAVIGATION RECEIVER ASSEMBLY NCA WIRE ORG/ WIRE PARKING ASSISTANT CIRCUIT GVIF PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) PNK REV WIRE PNK WIRE RAD 1 FUSE RED WIRE SEEK SPIRAL CABLE SUB-ASSEMBLY IG STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 TOUCH SENSOR TXM- TXM+ TXO- TXI- VIO WIRE VOICE VOLUME- W/ SLIDING ROOF WHT WIRE YEL WIRE